[Jewelry making - Article 00076] - Re: [Orchid] Hammer Textured Rolling Mill?

[David J McIntyre]

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Dar,

    I'm delighted with the progressive posting of your hammer texture
    experimenting--keep up the good work. May I add a couple of
    thoughts? 

    1. Your 1/4 HP motor will give you about the same torque as a 3 HP
    model when you "gear it down" to turn the mill input at 1/12th the
    speed of the bigger motor. As a loose generality the 3 HP motor just
    allows you to do the job FASTER, not better. Keep varying your
    sprockets and be patient with the speed. 

    2. Have you considered using a very thin annealed high carbon steel
    for the working plate (perhaps a recycled thin wood saw blade),
    backing it with an even softer sheet while forming it through the
    mill. The working plate would then be heat-treated before using to
    emboss the work piece. It seems that this might take a great deal of
    the pressure off your "poor old mill". 

Upward and onward!!
Dr. Mac
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